<template>
  <div class="monaco-container" ref="codeEditor"></div>
</template>
<script>
import * as monaco from "monaco-editor";
const defaultOptions = {
  selectOnLineNumbers: true,
  roundedSelection: false,
  wordWrap: "on", // 自动换行 'on','off'
  language: "java", // 常用的有css/html/java/javascript/json/csharp(.net)'
  theme: "vs", // vs, hc-black, or vs-dark
  formatOnPaste: true,
  formatOnType: true,
  glyphMargin: true, //字形边缘
  fontSize: 14, // 字体大小
  readOnly: false, // 只读
};
export default {
  name: "MonacoEditor",
  props: {
    options: {
      type: Object,
      default: () => {},
    },
    value: {
      type: String,
      default: "",
    },
  },
  data() {
    return {
      content: this.value,
      monacoEditor: null,
    };
  },
  watch: {
    value(val) {
      this.content = val;
    },
    options: {
      handler(val) {
        this.monacoEditor.updateOptions({ ...val });
      },
      deep: true,
    },
  },
  mounted() {
    this.initEditor();
  },
  methods: {
    initEditor() {
      // 初始化编辑器实例
      this.monacoEditor = monaco.editor.create(this.$refs["codeEditor"], {
        value: this.content,
        autoIndex: true,
        ...defaultOptions,
        ...this.options,
      });
      // 监听编辑器content变化
      this.monacoEditor.onDidChangeModelContent(() => {
        this.$emit("input", this.monacoEditor.getValue());
      });
    },
    changeEditor(data) {
      this.monacoEditor.setValue(data.value);
      this.monacoEditor.updateOptions({ ...data.options });
    },
    insert(text) {
      text = text || "";
      var position = this.monacoEditor.getPosition();
      this.monacoEditor.executeEdits("", [
        {
          range: {
            startLineNumber: position.lineNumber,
            startColumn: position.column,
            endLineNumber: position.lineNumber,
            endColumn: position.column,
          },
          text: text,
        },
      ]);
    },
  },
};
</script>
<style lang="scss" scoped>
.monaco-container {
  height: 100%;
  width: 100%;
  overflow: hidden;
}
</style>
